Summary of Multi salt experiments.

All experiments were performed with:

Flux 20 LMH (permeate flow 17 mL/min)

Crossflow of 0.5 m/s (feed flow 1160 mL/min)

The concentration of the various salts were selected based on concentration of authentic CT reservior water, it might have been diluted.

Multi salt experiment with pH 9.2

The pH was adjusted to pH 9.2 which is the lower end of the capacity for the bicarboante-carbonate buffer. The data has been collected every second and a rolling average have been applied to the data set, giving data every minute. The pressure started at 2.5 bar where it increased to about 2.8 bar over the course of the experiment. The osmotic pressure will be calculated to determine if the increase in pressure is due to increase in the osmotic pressure on the feed side of the membrane or if it is due to fouling of the membrane.

Comparison Pressure

NORMALISER I FORHOLD OSMOTISK TRYK.

## Warning in RColorBrewer::brewer.pal(N, "Set2"): minimal value for n is 3, returning requested palette with 3 different levels

## Warning in RColorBrewer::brewer.pal(N, "Set2"): minimal value for n is 3, returning requested palette with 3 different levels
pH of experiment 9.2 10 10.5
Total time 8.6836111 6.6111111 xx
Average permeate flow 16.9952847 16.97844 xx
Total permeate volume 8.8058235 6.639136 xx
Water Recovery 88.058235 78.1074824 xx 
1 + 1
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